Correct Answer: C

Rationale: Severe pain around the eyes that radiates over the face is a classic symptom of acute angle-closure glaucoma. This intense pain is often associated with other symptoms such as blurred vision, halos around lights, redness in the eye, and sometimes nausea and vomiting. Immediate medical attention is required to prevent permanent vision loss.

Correct Answer: A

Rationale: The correct action for the nurse to include in the plan of care is to keep the client NPO until the pharyngeal response returns. Tetracaine can affect the gag reflex, so it is important to prevent aspiration by maintaining the client NPO until the pharyngeal response is normal, which typically takes about 1 hour. Monitoring for the return of the gag reflex is crucial to prevent complications from aspiration during the first oral intake after the procedure.

Correct Answer: B

Rationale: Clopidogrel is an antiplatelet medication that works by preventing blood clots. Monitoring the patient's platelet count is essential because a decrease in platelet count can increase the risk of bleeding. By assessing the platelet count, the healthcare professional can detect any potential adverse effects related to the medication and take appropriate actions to prevent complications.

Correct Answer: A

Rationale: Metformin should be taken with meals to reduce gastrointestinal side effects and ensure better absorption. Instructing the client to take the medication with the first bite of food helps in achieving optimal effectiveness and minimizes the risk of side effects like nausea or upset stomach.

Correct Answer: B

Rationale: When administering enoxaparin via a prefilled syringe for deep subcutaneous injection, the nurse should insert the needle completely into the client's tissue. This ensures proper delivery of the medication and adherence to the correct administration technique, promoting optimal therapeutic effects and reducing the risk of complications.